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Copy shader files properly on SDL2 apps

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redstrate 2021-05-11 16:32:59 -04:00
parent f539ddcc3f
commit 465297442a
1 changed files with 14 additions and 2 deletions
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16
platforms/sdl/CMakeLists.txt
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@ -15,7 +15,19 @@ function(add_platform_commands target)
add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_SOURCE_DIR}/data $<TARGET_FILE_DIR:${target}>/data) add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_SOURCE_DIR}/data $<TARGET_FILE_DIR:${target}>/data)
endif() endif()
add_custom_command(TARGET ${target} PRE_BUILD COMMAND ${CMAKE_COMMAND} -E make_directory $<TARGET_FILE_DIR:${target}>/shaders) # we HAVE to create this dummy target to convince CMake to properly copy over shader files.
# before you ask, we have used POST_BUILD before but that only runs if the TARGET specified is built.
# when you change a shader source file on disk, BuildShaders is triggered but that doesn't retrigger your actual
# app target to be rebuilt, so the shaders are never copied correctly. With this (dumb) system, we ensure they
# always are. WHY CMAKE WHY
set(DUMMY_NAME ${target}-CopyShaders)
add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_BINARY_DIR}/shaders $<TARGET_FILE_DIR:${target}>/shaders) add_custom_target(${DUMMY_NAME} ALL DEPENDS ${CMAKE_BINARY_DIR}/dummy)
add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/dummy
COMMAND ${CMAKE_COMMAND} -E make_directory $<TARGET_FILE_DIR:${target}>/shaders
COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_BINARY_DIR}/shaders $<TARGET_FILE_DIR:${target}>/shaders
)
add_dependencies(${target} ${DUMMY_NAME})
endfunction() endfunction()